"These are very high in quality, and will work on just about anything. When you use these I recommend applying them to an adjustment layer, and bringing the opacity down a bit, just to mix the look back in with the original image. I also suggest you correct the black and white points of your images before applying these..."
"Notice how skin tones stay relatively normal on all of these."
by Grant Swanson, visual effects supervisor of Video Apex, http://videoapex.blogspot.com